Hello When renovating the bathroom, a specialist cut my heating mat and put it on the already cut tile, so there is no rescue, but I have a question how to get out of this problem with what is under the floor, a resistor? etc gives the data: MATA 340 W 155.5 OHMA my calculations show that after...

How did you calculate it? Cutting the heating mat reduces its resistance, and therefore increases its power. What is the resistance of this mat, nothing is known without it. Heating mats must not be shortened.

It is not about the power of the mat, but about its resistance. If it is too low, there will be a BOOM. Or rather, it will definitely be too low. Moreover, what about its insulation? There is a risk of an electric shock in the bathroom. Is it a double-sided or one-sided feeding mat? And 150W is (I think) assumed for 1m2 in the case of tiled floors. There is rescue. Forging tiles and laying new ones together with the mat at the expense of a specialist.

unilaterally, that is, there is no rescue yes, the mat is now about 1m2

So what are we supposed to answer? You don't provide any specific information. It has already been said that they must not be shortened.

I know you can't, the question was whether you can put a resistor so that this piece does not explode how does it not report? mat 4mx0.5m 340 W, after cutting it is 1.7x0.5 and that's it

Which post was it in? Somehow I do not see this question. Without precise information, it is impossible to say, we do not know how much this mat has been shortened, what its residual resistance has been, and how it has been insulated (cut-off point). The use of a resistor is theoretically possible, but probably not feasible.

I know you can't, the question was whether you can put a resistor so that this piece does not explode how does it not report? mat 4mx0.5m 340 W, after cutting it is 1.7x0.5 and that's it :( pity, thanks for your help

So fast, the mat has been reduced by 50%, the resistor should be 150-200W Forget about it, or follow the tips of your colleague kkas12

Buddy, skip this search because you will kill someone ... I believe that the topic should be closed for the good of the author ... Remember Ohm's Law and think that a mat is such a resistor. Consider what will happen to the current in this circuit ...

Cut Warmatec Heating Mat: Bathroom Renovation, 340W to 150W, Connecting Safely, 155.5 Ohms Resistor

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#1 16611935 27 Jul 2017 19:40

topolskia topolskia

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Post #1
16611935 27 Jul 2017 19:40

Hello
When renovating the bathroom, a "specialist" cut my heating mat and put it on the already cut tile, so there is no rescue, but I have a question how to get out of this problem with what is under the floor, a resistor? etc gives the data:
MATA 340 W 155.5 OHMA
my calculations show that after cutting the floor about 150 W is left, is it possible now to connect it so as not to burn the mat?

please help
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#2 16611952 27 Jul 2017 19:49

kokapetyl kokapetyl

Level 43

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Post #2
16611952 27 Jul 2017 19:49

topolskia wrote:
my calculations show that after cutting, about 150 W remained in the floor

How did you calculate it?
Cutting the heating mat reduces its resistance, and therefore increases its power.
What is the resistance of this mat, nothing is known without it.
Heating mats must not be shortened.
#3 16611953 27 Jul 2017 19:50

kkas12 kkas12

Level 43

» | Helpful post? (0)

Post #3
16611953 27 Jul 2017 19:50

It is not about the power of the mat, but about its resistance. If it is too low, there will be a BOOM.
Or rather, it will definitely be too low.

Moreover, what about its insulation? There is a risk of an electric shock in the bathroom.
Is it a double-sided or one-sided feeding mat?
And 150W is (I think) assumed for 1m2 in the case of tiled floors.

There is rescue.
Forging tiles and laying new ones together with the mat at the expense of a specialist.
#4 16611960 27 Jul 2017 19:52

topolskia topolskia

Level 10

» | Topic author Helpful post? (0)

Post #4
16611960 27 Jul 2017 19:52

kkas12 wrote:
It is not about the power of the mat, but about its resistance. If it is too low, there will be a BOOM.
Or rather, it will definitely be too low.

Moreover, what about its insulation? There is a risk of an electric shock in the bathroom.
Is it a double-sided or one-sided feeding mat?
And 150W is (I think) assumed for 1m2 in the case of tiled floors.

There is rescue.
Forging tiles and laying new ones together with the mat at the expense of a specialist.

unilaterally, that is, there is no rescue
yes, the mat is now about 1m2
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#5 16611977 27 Jul 2017 20:01

kokapetyl kokapetyl

Level 43

» | Helpful post? (+1)

Post #5
16611977 27 Jul 2017 20:01

topolskia wrote:
the mat is now about 1m2

So what are we supposed to answer?
You don't provide any specific information.
It has already been said that they must not be shortened.
#6 16611981 27 Jul 2017 20:03

topolskia topolskia

Level 10

» | Topic author Helpful post? (0)

Post #6
16611981 27 Jul 2017 20:03

kokapetyl wrote:

topolskia wrote:
the mat is now about 1m2

So what are we supposed to answer?
You don't provide any specific information.
It has already been said that they must not be shortened.

I know you can't, the question was whether you can put a resistor so that this piece does not explode
how does it not report?
mat 4mx0.5m 340 W, after cutting it is 1.7x0.5 and that's it
#7 16611997 27 Jul 2017 20:11

kokapetyl kokapetyl

Level 43

» | Helpful post? (+1)

Post #7
16611997 27 Jul 2017 20:11

topolskia wrote:
the question was

Which post was it in? Somehow I do not see this question.
Without precise information, it is impossible to say, we do not know how much this mat has been shortened, what its residual resistance has been, and how it has been insulated (cut-off point). The use of a resistor is theoretically possible, but probably not feasible.
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#8 16612000 27 Jul 2017 20:14

topolskia topolskia

Level 10

» | Topic author Helpful post? (0)

Post #8
16612000 27 Jul 2017 20:14

kokapetyl wrote:

topolskia wrote:
the question was

Which post was it in? Somehow I do not see this question.
Without precise information, it is impossible to say, we do not know how much this mat has been shortened, what its residual resistance has been, and how it has been insulated (cut-off point). The use of a resistor is theoretically possible, but probably not feasible.

I know you can't, the question was whether you can put a resistor so that this piece does not explode
how does it not report?
mat 4mx0.5m 340 W, after cutting it is 1.7x0.5 and that's it :(

pity, thanks for your help
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#9 16612002 27 Jul 2017 20:14

kokapetyl kokapetyl

Level 43

» | Helpful post? (0)

Post #9
16612002 27 Jul 2017 20:14

topolskia wrote:
mat 4mx0.5m 340 W, after cutting it is 1.7x0.5 and that's it

So fast, the mat has been reduced by 50%, the resistor should be 150-200W
Forget about it, or follow the tips of your colleague kkas12
#10 16612005 27 Jul 2017 20:16

topolskia topolskia

Level 10

» | Topic author Helpful post? (0)

Post #10
16612005 27 Jul 2017 20:16

kokapetyl wrote:

topolskia wrote:
mat 4mx0.5m 340 W, after cutting it is 1.7x0.5 and that's it

So fast, the mat has been reduced by 50%, the resistor should be 150-200W

https://www.piekarz.pl/pl/?group=487

such? Link
] Link [/url]
#11 16612492 27 Jul 2017 23:31

polaklbn polaklbn

Level 24

» | Helpful post? (+1)

Post #11
16612492 27 Jul 2017 23:31

topolskia wrote:

kokapetyl wrote:

topolskia wrote:
mat 4mx0.5m 340 W, after cutting it is 1.7x0.5 and that's it

So fast, the mat has been reduced by 50%, the resistor should be 150-200W

https://www.piekarz.pl/pl/?group=487

such? Link
] Link [/url]

Buddy, skip this search because you will kill someone ...
I believe that the topic should be closed for the good of the author ...
Remember Ohm's Law and think that a mat is such a resistor. Consider what will happen to the current in this circuit ...
#12 16612943 28 Jul 2017 11:01

topolskia topolskia

Level 10

» | Topic author Helpful post? (0)

Post #12
16612943 28 Jul 2017 11:01

OK thank you
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Topic summary

The discussion revolves around a user who encountered issues after a heating mat was cut during a bathroom renovation. The original mat specifications were 340W and 155.5 Ohms, but after cutting, the user estimates the power is reduced to approximately 150W. Participants express concerns about the safety of connecting the shortened mat, emphasizing that cutting heating mats is not advisable due to the risk of reduced resistance leading to overheating or electrical hazards. Suggestions include the impracticality of using a resistor to mitigate the risks and the recommendation to replace the mat entirely. The conversation highlights the importance of proper installation and adherence to safety standards in electrical systems.
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